SR_ST_STOPPING,
};
-/** Device driver data */
+/** Device driver data. See also http://sigrok.org/wiki/Hardware_driver_API . */
struct sr_dev_driver {
/* Driver-specific */
- /** Driver name */
+ /** Driver name. Lowercase a-z, 0-9 and dashes (-) only. */
char *name;
- /** Long name, e.g. device name. */
+ /** Long name. Verbose driver name shown to user. */
char *longname;
/** API version (currently 1). */
int api_version;
- /** Init driver */
+ /** Called when driver is loaded, e.g. program startup. */
int (*init) (struct sr_context *sr_ctx);
- /** Free driver */
+ /** Called before driver is unloaded.
+ * Driver must free all resouces held by it. */
int (*cleanup) (void);
- /** Scan for devices */
+ /** Scan for devices. Driver should do all initialisation required.
+ * Can be called several times, e.g. with different port options.
+ * \retval NULL Error or no devices found.
+ * \retval other GSList of a struct sr_dev_inst for each device.
+ * Must be freed by caller!
+ */
GSList *(*scan) (GSList *options);
- /** Get device list */
+ /** Get list of device instances the driver knows about.
+ * \returns NULL or GSList of a struct sr_dev_inst for each device.
+ * Must not be freed by caller!
+ */
GSList *(*dev_list) (void);
+ /** Clear list of devices the driver knows about. */
int (*dev_clear) (void);
+ /** Query value of a configuration key in driver or given device instance.
+ * @see sr_config_get().
+ */
int (*config_get) (int id, GVariant **data,
const struct sr_dev_inst *sdi,
const struct sr_probe_group *probe_group);
+ /** Set value of a configuration key in driver or a given device instance.
+ * @see sr_config_set(). */
int (*config_set) (int id, GVariant *data,
const struct sr_dev_inst *sdi,
const struct sr_probe_group *probe_group);
+ /** Probe status change.
+ * @see sr_dev_probe_enable(), sr_dev_trigger_set(). */
int (*config_probe_set) (const struct sr_dev_inst *sdi,
struct sr_probe *probe, unsigned int changes);
+ /** Apply configuration settings to the device hardware.
+ * @see sr_config_commit().*/
int (*config_commit) (const struct sr_dev_inst *sdi);
+ /** List all possible values for a configuration key in a device instance.
+ * @see sr_config_list().
+ */
int (*config_list) (int info_id, GVariant **data,
const struct sr_dev_inst *sdi,
const struct sr_probe_group *probe_group);
int (*dev_open) (struct sr_dev_inst *sdi);
/** Close device */
int (*dev_close) (struct sr_dev_inst *sdi);
- /** Start data aquisition. */
+ /** Begin data aquisition on the specified device. */
int (*dev_acquisition_start) (const struct sr_dev_inst *sdi,
void *cb_data);
- /** Stop data aquisition. */
+ /** End data aquisition on the specified device. */
int (*dev_acquisition_stop) (struct sr_dev_inst *sdi,
void *cb_data);
/* Dynamic */
- /** Device driver private data */
+ /** Device driver private data. Initialized by init(). */
void *priv;
};
#ifdef HAVE_LIBSERIALPORT
-/*
+/**
* Standard serial driver dev_open() helper.
*
* This function can be used to implement the dev_open() driver API
return SR_OK;
}
-/*
+/**
* Standard serial driver dev_close() helper.
*
* This function can be used to implement the dev_close() driver API
return SR_OK;
}
-/*
+/**
* Standard sr_session_stop() API helper.
*
* This function can be used to simplify most (serial port based) driver's
* Must not be NULL.
* @param serial The serial device instance (struct serial_dev_inst *).
* Must not be NULL.
- * @param prefix A driver-specific prefix string used for log messages.
+ * @param[in] prefix A driver-specific prefix string used for log messages.
* Must not be NULL. An empty string is allowed.
*
* @retval SR_OK Success.
#endif
-/*
+/**
* Standard driver dev_clear() helper.
*
+ * Clear driver, this means, close all instances.
+ *
* This function can be used to implement the dev_clear() driver API
* callback. dev_close() is called before every sr_dev_inst is cleared.
*
return ret;
}
-